CN110987139B - Method for determining maximum load capacity of vehicle, equipment and storage medium - Google Patents
Method for determining maximum load capacity of vehicle, equipment and storage medium Download PDFInfo
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- CN110987139B CN110987139B CN201911423841.2A CN201911423841A CN110987139B CN 110987139 B CN110987139 B CN 110987139B CN 201911423841 A CN201911423841 A CN 201911423841A CN 110987139 B CN110987139 B CN 110987139B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 318
- 238000010248 power generation Methods 0.000 claims abstract description 115
- 239000000446 fuel Substances 0.000 claims description 23
- 238000002485 combustion reaction Methods 0.000 claims description 20
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- 230000007306 turnover Effects 0.000 abstract description 7
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a method for determining the maximum load capacity of a vehicle, the vehicle, equipment and a storage medium. The method comprises the following steps: determining the quality of a power battery of a target vehicle; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance. According to the embodiment of the invention, the relationship among the capacity of the power battery, the quality of the methanol power generation system and the objects capable of loading is reasonably optimized, so that the maximum loading acquisition is realized, the loading rate of vehicles and the higher goods turnover speed are improved, and the inventory holding time and the holding cost are greatly reduced.
Description
Technical Field
The embodiment of the invention relates to a vehicle control technology, in particular to a method, a vehicle, equipment and a storage medium for determining the maximum load capacity of a vehicle.
Background
With the adjustment of urban industry layout, the continuous upgrade of modern consumption modes and the increasingly diversified development modes of urban industry and commerce, the demand of urban distribution is increasing. Urban distribution is the last kilometer distribution in logistics chains, plays a very important role in the whole supply chain link, but most cities have strict limits on the areas and time for trucks to enter the city. Due to urban and rural integration and continuous expansion of urban range, urban distribution areas are continuously enlarged, the demand of distribution demand is continuously increased, and more distribution vehicles are required to be invested to complete distribution; on the other hand, the distribution efficiency is greatly reduced due to the serious traffic jam problem in the city, distribution enterprises need to invest distribution vehicles to improve the distribution service quality and meet the distribution requirements, and the traffic jam is aggravated due to the investment of the distribution vehicles. Due to the fact that road traffic restriction in urban distribution is large, distribution congestion of important logistics nodes is prominent, distribution transportation channels are not smooth, and the contradiction that urban distribution vehicles, particularly cold chain vehicles, can carry distribution goods and cold chain vehicles are involved exists.
The main object of a cold chain vehicle in urban distribution is a commodity needing refrigeration, a refrigerating unit group of the cold chain vehicle has a large power demand, and a pure electric cold chain vehicle supplies power to a refrigerating unit due to the fact that the power of the whole vehicle is provided by a power battery on the premise of meeting basic driving, and the service time and the refrigerating temperature range of the refrigerating unit are controlled by the redundant power of the power battery of the whole vehicle. Meanwhile, due to the increase of the portable goods, the power consumption of the refrigerating unit is increased at the same time, the electric power of the pure electric cold chain vehicle is inevitably insufficient, and the urban distribution efficiency and the on-time delivery of distribution cannot be met. Meanwhile, the pure electric cold chain vehicle also faces the problem that the cost is increased along with the increase of the capacity of the battery, and is not convenient to popularize and use.
Disclosure of Invention
In view of this, the invention provides a method for determining the maximum load capacity of a vehicle, a device and a storage medium, which realize maximum load bearing of goods, improve the loading rate of the vehicle and the turnover speed of the goods, and greatly reduce the inventory holding time and the holding cost.
In a first aspect, an embodiment of the present invention provides a method for determining a maximum load capacity of a vehicle, including:
determining the power battery quality of the target vehicle;
determining the quality of a corresponding methanol power generation system according to the type of a target vehicle;
and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance.
In a second aspect, an embodiment of the present invention further provides a vehicle, including: the system comprises an alcohol fuel tank, an internal combustion engine, a starting/power generation integrated ISG motor, a power battery, a driving motor and a vehicle control unit; the alcohol fuel tank is connected with the internal combustion engine, and the ISG motor is connected with a power output shaft of the internal combustion engine;
the alcohol fuel tank is used for storing alcohol fuel, inputting the alcohol fuel into the internal combustion engine for combustion, and driving the ISG motor to generate electricity through a power output shaft of the internal combustion engine;
the power battery is used for supplying electric energy to the driving motor so as to drive the vehicle to run;
and the vehicle control unit is used for controlling the starting and stopping operations of all parts in the vehicle.
In a third aspect, an embodiment of the present invention further provides an apparatus, including: a memory, and one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method of determining the maximum mass capacity of a vehicle according to the first aspect.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, implements the method for determining the maximum load capacity of a vehicle according to the first aspect.
The invention determines the power battery quality of the target vehicle; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance. According to the embodiment of the invention, the relationship among the capacity of the power battery, the quality of the methanol power generation system and the objects capable of loading is reasonably optimized, so that the maximum loading acquisition is realized, the loading rate of vehicles and the higher goods turnover speed are improved, and the inventory holding time and the holding cost are greatly reduced.
Drawings
FIG. 1 is a flow chart of a method for determining a maximum vehicle mass loading according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for determining a maximum vehicle mass loading according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a target vehicle according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a target vehicle carrying a trailer according to an embodiment of the present invention;
fig. 5 is a block diagram illustrating a configuration of a device for determining a maximum vehicle load according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a hardware configuration of a vehicle according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
At present, on the one hand, due to reasons such as diversification of online shopping, business activities and living demands, demand for express delivery and delivery value-added service of city delivery is continuously increased, delivery varieties are many, delivery demand fluctuation is large, delivery demand is many-sided and wide, cold chain vehicles with fewer cargos can be carried, and the delivery capacity of enterprises can be met by increasing the number of the cold chain vehicles. The cold chain vehicles are put in a large number, so that the investment and transportation cost of distribution enterprises is high. The pure electric cold chain vehicle is adopted, the weight of a power battery is large, the whole vehicle can carry goods in a limited manner, the space for improving the transportation and stowage efficiency of a large number of main lines is small, the distribution time efficiency influences product service, and the market development and enterprise benefits of enterprises are directly related. And large-scale distribution is expected to be formed through large-scale distribution business, and scale benefits are obtained.
On the other hand, the acceleration of the urbanization process and the aggravation of the traffic congestion problem put higher demands on urban distribution. The diversification of urban distribution demands increases the difficulty of urban distribution organization, and meanwhile, the urban distribution management is wide in related area and high in coordination management difficulty.
In view of this, the present application provides a method for determining a maximum load capacity of a vehicle, which is to load a cargo to the maximum extent by reasonably optimizing a relationship between a power battery capacity and an extended range power generation system and the cargo.
Fig. 1 is a flowchart of a method for determining a maximum load capacity of a vehicle according to an embodiment of the present invention, which may be implemented by a device for determining the maximum load capacity of the vehicle, and the method may be implemented by hardware and/or software, and may be generally integrated in a device. The device may be a personal computer, or may be another mobile terminal capable of programming, which is not limited to this.
As shown in fig. 1, the method specifically includes the following steps:
and S110, determining the quality of the power battery of the target vehicle.
The target vehicle is an electric cold chain vehicle equipped with a methanol extended range system, and the target vehicle is mainly used for urban distribution. In an embodiment, in order to guarantee the driving mileage and the refrigeration requirement of urban distribution, the total electric quantity required by the power battery can be determined according to the preset driving mileage required per hour and the maximum driving mileage required in an urban area. It can be understood that in the process of urban distribution, the electric quantity required by the driving mileage is provided by a power battery.
And S120, determining the quality of the corresponding methanol power generation system according to the type of the target vehicle.
The vehicle type of the target vehicle can be divided according to different dimensions. For example, the model division standard of the target vehicle may be: according to whether there is a trailer or not, and different loads. In the embodiment, the vehicle types of the target vehicle are divided by different loads. Exemplarily, taking a target vehicle as a commercial vehicle, classifying the vehicle type of the target vehicle, for example, a light commercial vehicle with a load of less than 2 tons; the load is 2-5 tons of small and medium-sized commercial vehicles; the medium-sized commercial vehicle with the load of more than 5-9 tons; the heavy load is more than 9-14 tons, and the vehicle is a large and medium-sized commercial vehicle; the load is more than 14 tons and is a large commercial vehicle.
In an embodiment, after determining the model of the target vehicle, the corresponding methanol power generation system quality may be determined according to the model of the target vehicle. The methanol power generation system includes: alcohol fuel tank, ISG motor and internal combustion engine. Among them, the alcohol fuel tank, an Integrated Starter and Generator (ISG) motor and an internal combustion engine have fixed weights, and only the alcohol fuel tank has a relative change in mass due to its different capacity, but the change is limited. It is understood that the relationship between the model of the target vehicle and the mass of the methanol power generation system is, in fact, the relationship between the model of the target vehicle and the amount of fuel carried in the alcohol fuel tank.
And S130, determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance.
It should be noted that the target vehicles of different vehicle types have different overall weights. It is understood that after the model of the target vehicle is determined, the corresponding total vehicle mass is also determined. In an embodiment, the total mass of the whole vehicle is equal to the sum of the mass of the power battery, the mass of the methanol power generation system, the mass of the service, the mass of other parts of the whole vehicle and the maximum load mass. Wherein the power battery mass refers to the total weight of the power battery carried in the target vehicle; the mass of the methanol power generation system refers to the sum of the mass of each component in the methanol power generation system and the mass of the alcohol fuel; the trim mass refers to the unloaded mass of the target vehicle; the mass of other parts of the whole vehicle refers to the total weight of other parts except the power battery and the methanol power generation system in the target vehicle. It is understood that the mass of the service is the sum of the mass of the power cell, the mass of the methanol power generation system and the mass of other components of the entire vehicle.
In an embodiment, after determining the power cell mass and the methanol power generation system mass, the service mass of the target vehicle may be obtained. And then, taking the difference value between the total mass and the set mass of the target vehicle as the maximum load mass of the target vehicle.
According to the technical scheme of the embodiment, the quality of the power battery of the target vehicle is determined; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle configured in advance. According to the embodiment, the relation among the quality of the power battery, the quality of the methanol power generation system and the objects capable of being loaded is reasonably optimized, the maximum bearing and obtaining is realized, the loading rate of the vehicle and the higher goods turnover speed are improved, and the inventory holding time and the holding cost are greatly reduced.
In one embodiment, determining the power battery quality of the target vehicle comprises: and determining the corresponding power battery quality according to the minimum electric quantity of the target vehicle.
The minimum electric quantity of the target vehicle refers to the total electric quantity required by the target vehicle in order to ensure the driving mileage distributed in cities before the methanol power generation system is not added.
In one embodiment, the determining the minimum amount of power of the target vehicle includes: acquiring preset urban distribution driving mileage; determining the corresponding total electric quantity of the power battery according to the city distribution driving mileage; and taking the total electric quantity of the power battery as the minimum electric quantity of the target vehicle.
In an embodiment, the city delivery driving range may be a maximum range required for city delivery. For example, the city may deliver the driving mileage of 100 kilometers (km), i.e. the minimum amount of electricity of the target vehicle is the total amount of electricity required for the target vehicle to drive 100km by using the power battery to generate electricity. Of course, in order to ensure the normal distribution of the target vehicle in the city, the speed of the target vehicle may be limited, and for example, the target vehicle is assumed to count the total electric quantity of the power battery at a speed of 3.6km per kilowatt hour (kwh). Wherein the speed of the target vehicle may be the average speed of the target vehicle, i.e. the average of the target vehicle travels 3.6km per kwh. In an embodiment, the target vehicle is calculated to travel 3.6km per kwh, and the electric quantity of 27.8kwh required for pure electric driving in 100km urban area is met, the total electric quantity of the power battery can be designed to be 27.8kwh, that is, the minimum electric quantity of the target vehicle is 27.8 kwh.
In one embodiment, determining the corresponding power battery quality according to the minimum electric quantity of the target vehicle comprises: determining an electric core adopted by the power battery and the energy density of a battery system; and determining the corresponding quality of the power battery according to the energy densities of the battery core and the battery system.
In embodiments, the power battery in the target vehicle may employ different cell and battery system energy densities. The power supply amount corresponding to the energy density of different battery cores and battery systems is also different. For example, assuming that the power battery adopts a ternary soft package battery cell, the power supply amount can be 260 watt-hour per kilogram (Wh/kg), and the energy density of the battery system can be 160 Wh/kg. After the energy densities of the battery core and the battery system adopted by the power battery are determined, the corresponding quality of the power battery can be calculated according to the energy densities of the battery core and the battery system of the power battery and the required total electric quantity of the power battery. For example, assuming that the power battery adopts a 260Wh/kg three-way pouch cell, the battery system energy density is 160Wh/kg, and the pre-obtained minimum electric quantity of the target vehicle is 27.8kwh, then the corresponding power battery mass is (27.8 × 1000/160) kg.
In one embodiment, the corresponding quality of the methanol power generation system is determined according to the type of the target vehicle, and the method comprises the steps of searching the corresponding power generation total amount of the methanol power generation system from a mapping relation table between the pre-configured type of the target vehicle and the maximum power generation total amount of the methanol power generation system and the power generation amounts matched with different fuel tanks respectively according to the type of the target vehicle; and determining the quality of the corresponding methanol power generation system according to the total power generation amount of the methanol power generation system.
It should be understood that a mapping relationship is established between the maximum power generation amounts of different vehicle types and the methanol power generation system and the power generation amounts matched with different fuel tanks in advance, and after the vehicle type of the target vehicle is obtained, the total power generation amount of the methanol power generation system corresponding to the vehicle type of the target vehicle is found according to the mapping relationship table between the two. For example, it is assumed that the total power generation amount of the methanol power generation system corresponding to the light commercial vehicle, the medium and small commercial vehicle, the medium commercial vehicle, the large and medium commercial vehicle, and the large commercial vehicle is 40 kilowatts (kw), 60kw, 90kw, 130kw, and 200kw, respectively.
In one embodiment, determining the corresponding mass of the methanol power generation system according to the total power generation amount of the methanol power generation system comprises: determining the total amount of fuel carried by the corresponding methanol power generation system according to the total amount of power generation of the methanol power generation system; and determining the corresponding quality of the methanol power generation system according to the total fuel quantity.
In the embodiment, after the total amount of electricity generation of the methanol electricity generation system of the target vehicle is determined, the total amount of fuel is related to the corresponding total amount of fuel due to the generation of the total amount of electricity generation of the methanol electricity generation system. It can be understood that, the more the total amount of fuel, the more the total amount of electricity generated, i.e. after determining the total amount of electricity generated by the methanol power generation system, the total amount of fuel carried in the methanol fuel system can be determined according to the relation between the total amount of electricity generated by the methanol power generation system and the total amount of fuel required to be generated; then, the mass of the total fuel and the mass of each component in the alcohol fuel system are added to obtain the corresponding mass of the methanol fuel system.
In one embodiment, determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle configured in advance comprises the following steps: determining the servicing quality of a target vehicle according to the quality of the power battery and the quality of the methanol power generation system; and determining the maximum load mass of the target vehicle according to the service mass and the preset total mass of the whole vehicle.
The service mass of the target vehicle is the sum of the mass of the power battery, the mass of the methanol power generation system and the mass of other parts of the whole vehicle. It can be understood that after the power battery quality and the methanol power generation system quality are determined, the power battery quality, the methanol power generation system quality and the quality of other parts of the whole vehicle can be directly added, and the service quality of the target vehicle can be obtained. It should be noted that the mass of other parts of the whole vehicle of the same vehicle type is the same. After the adjustment mass of the target vehicle is determined, the total vehicle mass and the adjustment mass of the target vehicle are subtracted, and the maximum load mass of the target vehicle can be obtained.
Fig. 2 is a flowchart of another method for determining a maximum vehicle load according to an embodiment of the present invention. As shown in fig. 2, the present embodiment includes the following steps:
and S210, determining the minimum electric quantity of the target vehicle.
And S220, carrying out power battery model reselection and installation on the target vehicle.
And S230, selecting a corresponding methanol power generation system according to the type of the target vehicle.
And S240, laying out and wiring the methanol power generation system and mounting the methanol power generation system to a frame of a target vehicle.
And S250, calculating the maximum load mass of the target vehicle according to the total mass and the reserve mass of the whole vehicle.
In the embodiment, the minimum electric quantity of a target vehicle, namely the minimum electric quantity of a pure electric cold chain vehicle, can be determined according to national standards and the design requirements of the whole vehicle; and then determining the corresponding power battery model according to the minimum electric quantity of the target vehicle, and determining the quality of the power battery. And after the model and the quality of the power battery are determined, selecting a corresponding methanol power generation system according to the model of the target vehicle. For example, the total electric quantity of the methanol power generation system of the target vehicle, such as the methanol power generation system corresponding to the light commercial vehicle, the medium and small commercial vehicle, the medium commercial vehicle, the large and medium commercial vehicle and the large commercial vehicle, may be respectively 40kw, 60kw, 90kw, 130kw and 200kw according to the table mapping relationship. The methanol power generation system is then routed and mounted to the frame of the subject vehicle. It should be noted that, because the power battery is re-selected and the methanol power generation system is added, the maximum load mass of the corresponding target vehicle needs to be calculated again according to the total mass and the prepared mass of the target vehicle.
After determining the maximum load mass of the target vehicle, the cargo box may be shaped according to the maximum load mass, and the cargo box after shaping may be mounted to the target vehicle and other components of the vehicle. Then, a methanol power generation system is mounted on the target vehicle, and the methanol power generation system is set according to refrigeration requirements, so that the refrigeration function of the target vehicle is realized.
In one embodiment, the method for determining the maximum load mass of the vehicle in the above embodiment is described by comparing a small and medium-sized pure electric cold chain vehicle with a total vehicle mass of 4995 Kilograms (KG) and a total length of 5995 millimeters (mm) with a methanol extended range cold chain vehicle with the same mass and length. Fig. 3 is a schematic structural diagram of a target vehicle according to an embodiment of the present invention. As shown in fig. 3, (1) in fig. 3 is a pure electric cold chain vehicle, and (2) in fig. 3 is a methanol extended range cold chain vehicle. Fig. 4 is a schematic structural diagram of a target vehicle carrying a trailer according to an embodiment of the present invention. As shown in fig. 4, (1) in fig. 4 is a pure electric cold chain vehicle, and (2) in fig. 4 is a methanol extended range cold chain vehicle. As shown in fig. 3 and 4, the pure electric cold chain vehicle comprises a power battery 301 and a driving motor 302; the methanol extended range cold chain vehicle comprises a power battery 301, a driving motor 302, a methanol fuel tank 303, an internal combustion engine 304 and an ISG motor 305. The vehicle control unit 306 is not shown in fig. 3 and 4.
Table 1 is a schematic table of the mass of each component in the pure electric cold chain vehicle according to the embodiment of the present invention. Table 2 is a schematic table of the mass of each component in the methanol extended range electric cold chain vehicle provided in the embodiment of the present invention. For convenience of explanation of the change in the maximum load mass of the target vehicle, the following is explained with reference to tables 1 and 2 as examples.
TABLE 1 schematic diagram of quality of each component in pure electric cold chain vehicle
| Total mass (Kg) | 4495 |
| Servicing quality (Kg) | 2710 |
| Maximum loading mass (Kg) | 1785 |
| Battery quality (Kg) | 669 |
| Quality of other parts of the whole vehicle (Kg) | 2041 |
In an embodiment, in order to ensure the minimum driving mileage requirement for urban distribution, the electric quantity required for pure electric driving in a 100km urban area by driving 3.6km per kwh of electric quantity is 27.8kwh, and the electric quantity required for refrigerating goods by 79.2kwh, so that the total electric quantity of the power battery can be designed as follows: 107 kwh.
Meanwhile, the mass of the power battery is 107 × 1000/160 ═ 669Kg by calculating the energy density of the battery system according to 260Wh/Kg three-element soft package battery cell and 160 Wh/Kg.
The maximum load mass (Kg) is total mass (Kg) -standby mass (Kg), and the standby mass (Kg) is battery mass (Kg) + other component masses (Kg), so that the maximum load mass of the target vehicle can be calculated to be 1785 Kg.
TABLE 2 schematic diagram of the quality of each component in the methanol extended range electric cold chain vehicle
In the embodiment, in order to ensure the minimum driving mileage requirement of urban distribution, the driving is calculated according to 3.6km per kwh of electricity, the electricity required by pure electricity driving in 100km urban areas is 27.8kwh, the electricity required by refrigerated goods is provided by methanol extended-range power generation, according to the refrigeration requirement, the methanol extended-range power generation system can be calculated to be 200kg, and then the total electricity of the power battery is designed as follows: 27.8 kwh.
Meanwhile, the mass of the power battery is 27.8 × 1000/160-174 Kg by calculating the energy density of the battery system 160Wh/Kg according to the 260Wh/Kg ternary soft package battery core.
The maximum loading mass (Kg) is total mass (Kg) -preparation mass (Kg), the preparation mass (Kg) is battery mass + mass of the methanol extended range power generation system + mass of other components of the whole vehicle (Kg), and the maximum loading mass of the target vehicle can be calculated to be 2080 Kg.
Through the comparison of the calculations in table 1 and table 2, it can be seen that the maximum load of the target vehicle is increased by 295Kg by using the methanol extended-range electric cold chain vehicle compared with the pure electric cold chain vehicle, i.e. the maximum load increase is 2080Kg-1785 Kg.
According to the technical scheme of the embodiment, the relationship between the capacity of the power battery and the range-extending power generation system and the objects capable of being loaded is reasonably optimized, and the objects are loaded to the maximum extent. The loading rate of the cold chain vehicle and the higher goods turnover speed are improved by distribution enterprises, the inventory holding time and holding cost are greatly reduced, the advantage of low cost is formed, and the profit capacity is generated; moreover, the increased load capacity can bear more goods, the electric power required by refrigeration is provided by the extended-range power generation system, and the problem of insufficient electric power of the refrigerated goods is not needed to be worried about; meanwhile, the cost requirements of enterprises can be met, the transportation efficiency is improved, and the traffic conflict is relieved; meanwhile, the contradiction between the total vehicle mass and the cargo-carrying mass of the existing urban distribution cold chain vehicle due to the vehicle type specified by the national standard is solved. Due to the fact that the quality of the loadable goods is increased, the urban distribution demand can be met by a distribution enterprise with less investment in cold chain vehicle operation, meanwhile, the labor and material cost is saved due to the high efficiency of the storage turnover frequency, and the specialized management and scheduling level of urban distribution is improved.
Of course, the solutions described in the above embodiments may also be adopted in the case where the target vehicle carries a trailer, and details are not described here. It should be noted that the light commercial vehicle, the medium commercial vehicle, the large and medium commercial vehicle, and the large commercial vehicle are similar to the above-mentioned medium and small commercial vehicles in design, especially the medium commercial vehicle, the large and medium commercial vehicle, and the large commercial vehicle have a larger overall mass and a higher power battery power demand, so that the service quality is larger. By adopting the technical scheme, the maximum load mass of the target vehicle can be increased more obviously, and meanwhile, the electric power required by refrigeration is provided by the extended-range power generation system, so that the full-load and long-distance running of the cold chain vehicle is met, and the sufficient electric power requirement is provided for refrigerated goods.
Fig. 5 is a block diagram of a device for determining the maximum load capacity of a vehicle, which is suitable for solving the problems of city traffic, cold storage power supply requirement and mileage of a city distribution vehicle, according to an embodiment of the present invention. As shown in fig. 5, the apparatus includes: a first determination module 410, a second determination module 420, and a third determination module 430.
The first determination module 410 is used for determining the power battery quality of the target vehicle;
the second determining module 420 is used for determining the corresponding quality of the methanol power generation system according to the type of the target vehicle;
and the third determining module 430 is used for determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance.
According to the technical scheme of the embodiment, the quality of the power battery of the target vehicle is determined; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle configured in advance. According to the embodiment, the relation among the quality of the power battery, the quality of the methanol power generation system and the objects capable of being loaded is reasonably optimized, the maximum bearing and obtaining is realized, the loading rate of the vehicle and the higher goods turnover speed are improved, and the inventory holding time and the holding cost are greatly reduced.
On the basis of the foregoing embodiment, the first determining module 410 is specifically configured to: and determining the corresponding power battery quality according to the minimum electric quantity of the target vehicle.
On the basis of the above embodiment, the method for determining the minimum electric quantity of the target vehicle includes: acquiring preset urban distribution driving mileage; determining the corresponding total electric quantity of the power battery according to the city distribution driving mileage; and taking the total electric quantity of the power battery as the minimum electric quantity of the target vehicle.
On the basis of the above embodiment, the corresponding power battery quality is determined according to the minimum electric quantity of the target vehicle, and is specifically configured to: determining an electric core adopted by the power battery and the energy density of a battery system; and determining the corresponding quality of the power battery according to the energy densities of the battery core and the battery system.
On the basis of the above embodiment, the second determining module 420 includes:
the searching unit is used for searching the corresponding total power generation amount of the methanol power generation system from a mapping relation table between the preset model of the target vehicle and the maximum power generation amount of the methanol power generation system and the power generation amounts matched with different fuel tanks according to the model of the target vehicle;
and the first determining unit is used for determining the corresponding quality of the methanol power generation system according to the total power generation amount of the methanol power generation system.
On the basis of the above embodiment, the first determination unit includes:
the first determining subunit is used for determining the total fuel carried by the corresponding methanol power generation system according to the total power generation amount of the methanol power generation system;
and the second determining subunit is used for determining the corresponding quality of the methanol power generation system according to the total fuel quantity.
On the basis of the above embodiment, the third determining module 430 includes:
the first determination unit is used for determining the service quality of the target vehicle according to the quality of the power battery and the quality of the methanol power generation system;
and the second determining unit is used for determining the maximum load mass of the target vehicle according to the service mass and the preset total vehicle mass.
The device for determining the maximum vehicle load can execute the method for determining the maximum vehicle load provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Fig. 6 is a schematic hardware structure diagram of a vehicle according to an embodiment of the present invention. As shown in fig. 6, a vehicle according to an embodiment of the present invention includes: the system comprises a methanol fuel tank 303, an internal combustion engine 304, a starting/power generation integrated ISG motor 305, a power battery 301, a driving motor 302 and a vehicle control unit 306. The vehicle controller 306 in the vehicle may be one, in fig. 6, the vehicle controller 306 is taken as an example, the vehicle controller 306, the alcohol fuel tank 303, the internal combustion engine 304 and the start/power generation integrated ISG motor 305, the power battery 301 and the driving motor 302 in the vehicle may be connected by a bus or in other manners, and in fig. 6, the connection by the bus is taken as an example.
The alcohol fuel tank 303 is used for storing alcohol fuel, inputting the alcohol fuel into the internal combustion engine 304 for combustion, and driving the ISG motor 305 to generate electricity through a power output shaft of the internal combustion engine 304;
a power battery 301 for supplying electric energy to the driving motor 302 to drive the vehicle to run;
and the vehicle control unit 306 is used for controlling the starting and stopping operations of all components in the vehicle.
The vehicle can execute the method for determining the maximum load capacity of the vehicle provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Fig. 7 is a schematic structural diagram of an apparatus according to an embodiment of the present invention. As shown in fig. 7, the present application provides an apparatus comprising: processor 510, memory 520. The number of the processors 510 in the device may be one or more, and one processor 510 is taken as an example in fig. 7. The number of the memories 520 in the device may be one or more, and one memory 520 is illustrated in fig. 7. The processor 510 and the memory 520 of the device may be connected by a bus or other means, as exemplified by the bus connection in fig. 7. In this embodiment, the device is a computer. The memory 520 of the apparatus, which is a computer-readable storage medium, may be used to store one or more programs, which may be software programs, computer-executable programs, and modules, corresponding to the program instructions/modules of the method for determining the maximum vehicle load according to the embodiment of the present invention (for example, the modules in the device for determining the maximum vehicle load shown in fig. 5, which includes the first determining module 410, the second determining module 410, and the third determining module 430). The processor 510 executes various functional applications and data processing of the vehicle by executing software programs, instructions and modules stored in the memory 520, namely, implements the method for determining the maximum load capacity of the vehicle in the above-described method embodiments.
The memory 520 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of devices configured in the vehicle, and the like. Further, the memory 520 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 520 may further include memory located remotely from the processor 510, which may be connected to devices configured in the vehicle via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
And, when the one or more programs included in the vehicle are executed by the one or more processors 510, the programs perform the following operations:
determining the power battery quality of the target vehicle; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance.
The device can execute the method for determining the maximum load quality of the vehicle provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a method for determining a maximum load capacity of a vehicle, where the method includes: determining the power battery quality of the target vehicle; determining the quality of a corresponding methanol power generation system according to the type of a target vehicle; and determining the maximum load mass of the target vehicle according to the mass of the power battery, the mass of the methanol power generation system and the total mass of the whole vehicle which is configured in advance.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (6)
1. A method for determining a maximum vehicle mass, comprising:
determining the quality of a power battery of a target vehicle, wherein the target vehicle is an electric cold chain vehicle provided with a methanol extended range, the electric quantity required by the target vehicle is determined according to the preset mileage required to be driven per hour and the maximum mileage required to be driven in an urban area, so as to determine the total electric quantity required by the power battery, and the corresponding quality of the power battery is determined according to the minimum electric quantity of the target vehicle;
taking the total electric quantity required by a power battery as the minimum electric quantity of the target vehicle;
determining the quality of a corresponding methanol power generation system according to the type of a target vehicle;
the quality of the methanol power generation system is determined according to the type of the target vehicle, and the quality determination method comprises the following steps:
according to the model of the target vehicle, searching a mapping relation table between the preset model of the target vehicle and the maximum power generation amount of the methanol power generation system and the power generation amounts matched with different fuel tanks for the corresponding power generation total amount of the methanol power generation system;
determining the corresponding quality of the methanol power generation system according to the total power generation amount of the methanol power generation system;
determining the total amount of fuel carried by the corresponding methanol power generation system according to the total amount of power generated by the methanol power generation system;
determining the corresponding quality of the methanol power generation system according to the total fuel quantity;
the total vehicle mass of the target vehicle is equal to the sum of the power battery mass, the methanol power generation system mass, the total vehicle other component mass and the maximum load mass, and the maximum load mass of the target vehicle is determined according to the total vehicle mass of the power battery mass, the methanol power generation system mass, the total vehicle other component mass and the total vehicle total mass and the total vehicle other component mass of the target vehicle which are configured in advance.
2. The method of claim 1, wherein determining the corresponding power battery quality based on the minimum charge of the target vehicle comprises:
determining an electric core adopted by the power battery and energy density of a battery system;
and determining the corresponding quality of the power battery according to the energy densities of the battery core and the battery system.
3. The method of claim 1, wherein determining the maximum load mass of the target vehicle based on the power cell mass, the methanol power generation system mass, and the pre-configured total mass of the target vehicle and the mass of other components of the total vehicle comprises:
adding the mass of the power battery, the mass of the methanol power generation system and the mass of other parts of the whole vehicle to obtain the servicing mass of the target vehicle;
and adding the total mass of the preset target vehicle and the mass of other parts of the whole vehicle to be used as the maximum load mass of the target vehicle.
4. A vehicle employing the method of claim 1, comprising: the system comprises a methanol fuel tank, an internal combustion engine, a starting/power generation integrated ISG motor, a power battery, a driving motor and a vehicle control unit; the methanol fuel tank is connected with the internal combustion engine, and the starting/power generation integrated ISG motor is connected with a power output shaft of the internal combustion engine;
the methanol fuel tank is used for storing methanol fuel, inputting the methanol fuel into the internal combustion engine for combustion, and driving the starting/power generation integrated ISG motor to generate power through a power output shaft of the internal combustion engine;
the power battery determines the electric quantity required by the vehicle according to the preset mileage required to be driven per hour and the maximum mileage required to be driven in the urban area, so as to determine the total electric quantity required by the power battery, determines the corresponding power battery quality according to the minimum electric quantity of the target vehicle, and takes the total electric quantity required by the power battery as the minimum electric quantity of the target vehicle, so as to provide electric energy for the driving motor to drive the vehicle to drive;
and the vehicle control unit is used for controlling the starting and stopping operations of all parts in the vehicle.
5. An apparatus, comprising: a memory, and one or more processors;
a memory for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method for determining maximum mass loading of a vehicle of any of claims 1-3.
6. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements the method of determining the maximum mass loading of a vehicle according to any of claims 1-3.
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